Add a WebRect version of invalidateRect to WebLayerImplFixedBounds

cc/blink/web_layer_impl_fixed_bounds.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_BLINK_WEB_LAYER_IMPL_FIXED_BOUNDS_H_
 #define CC_BLINK_WEB_LAYER_IMPL_FIXED_BOUNDS_H_
 
 #include "cc/blink/web_layer_impl.h"
 #include "ui/gfx/size.h"
 #include "ui/gfx/transform.h"
 
 namespace cc_blink {
 
 // A special implementation of WebLayerImpl for layers that its contents
 // need to be automatically scaled when the bounds changes. The compositor
 // can efficiently handle the bounds change of such layers if the bounds
 // is fixed to a given value and the change of bounds are converted to
 // transformation scales.
 class WebLayerImplFixedBounds : public WebLayerImpl {
  public:
   CC_BLINK_EXPORT WebLayerImplFixedBounds();
   CC_BLINK_EXPORT explicit WebLayerImplFixedBounds(scoped_refptr<cc::Layer>);
   virtual ~WebLayerImplFixedBounds();
 
   // WebLayerImpl overrides.
-  virtual void invalidateRect(const blink::WebFloatRect& rect);
+  virtual void invalidateRect(const blink::WebFloatRect& rect) override;
+  virtual void invalidateRect(const blink::WebRect& rect) override;
   virtual void setTransformOrigin(
       const blink::WebFloatPoint3D& transform_origin);
   virtual void setBounds(const blink::WebSize& bounds);
   virtual blink::WebSize bounds() const;
   virtual void setTransform(const SkMatrix44& transform);
   virtual SkMatrix44 transform() const;
 
   CC_BLINK_EXPORT void SetFixedBounds(gfx::Size bounds);
 
  protected:
   void SetTransformInternal(const gfx::Transform& transform);
   void UpdateLayerBoundsAndTransform();
 
   gfx::Transform original_transform_;
   gfx::Size original_bounds_;
   gfx::Size fixed_bounds_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebLayerImplFixedBounds);
 };
 
 }  // namespace cc_blink
 
 #endif  // CC_BLINK_WEB_LAYER_IMPL_FIXED_BOUNDS_H_